发明名称 IMPROVEMENTS TO FIRE VALVES AND SMOKE SHUTTERS
摘要 The present invention relates to a shut-off element (11) for a fire protection device and notably for fire valves and smoke shutters. This shut-off element is characterized in that it is made from a sand-lime material, the allotropic form of which is of amorphous type.
申请公布号 WO2015140463(A1) 申请公布日期 2015.09.24
申请号 WO2015FR50649 申请日期 2015.03.17
申请人 CONCEPTS ET DEVELOPPEMENTS EN PROTECTION INCENDIE 发明人 LOURDEL, DOMINIQUE
分类号 F16K1/22;A62C2/12;C04B35/22 主分类号 F16K1/22
代理机构 代理人
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